SJ Labs - SJPhone Configuration Guide
Download the software from http://sjlabs.com/SJphoneWin .
After installing, the default soft phone will appear. Click on the screwdriver symbol. The *Options* window will appear. Enter your name and email address in the 'User Information' Tab.
Click on the 'Profiles' Tab. In the Profile Tab click on 'New'. When the 'Create New Profile' window appears, in the 'Profile name:' enter ip2pbx.net and in the 'Profile' choose 'Calls through SIP Proxy' Then click OK.
A 'Profile options' windows will appear. Click on the SIP Proxy Tab. Enter in 'Proxy Domain:' sip3.ip2pbx.net and enter 5060 in the field to the right side of it. Under 'User domain:' enter sip3.ip2pbx.net . In the same SIP Proxy Tab's Advanced options, put a checkmark on Use separate register. Under this enter in 'Register domain:' sip3.ip2pbx.net and enter 5060 in the field to the right side of it. Click OK.
Back in the 'Profiles' Tab you will find an ip2pbx.net profile. Highlight ip2pbx.net and then click on 'Initialize.." A 'Service: ip2pbx.net' box will appear. Enter in 'Account:' your # and in 'Password:' your password and click OK.
In the 'Profiles' Tab again highlight ip2pbx.net profile and then click on 'Use...' and then OK.
Click on the 'Call Options' tab. Make sure that under 'Incoming Calls' put a check mark on 'Automatically accept incoming calls'. In 'Outgoing calls' put a checkmark on 'Use following host address' and make sure you choose the IP address of your computer. Then click OK.
Click on 'Audio' Tab and make sure that in 'Sound devices' the Playback: is using your sound card audio. Click OK.